Ashen grey

What if you woke up to a world long since destroyed, the sun not visible through the soot in the air, the ground not visible through the ashes of a worldwide conflagration, the water fouled. What would keep you going from day to day having to scavange canned food to barely keep from starvation? That is "the road". Pulitzer prize. Fast read, but keep time to think! Keep a dictionary by your side